Home / 323,850-490,293

Finding the Third Proportional to 323,850 and 490,293

Calculator

Solution

The third proportional to 323,850 and 490,293 is: 742,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,850 : 490,293 = 490,293 : x
  2. Step 2: Convert to fraction form
    323,850/490,293 = 490,293/x
  3. Step 3: Cross multiply
    323,850x = 490,293 × 490,293
  4. Step 4: Simplify right side
    323,850x = 240,387,225,849
  5. Step 5: Solve for x
    x = 240,387,225,849/323,850
  6. Step 6: Final answer
    x = 742,279.53

Related Problems

Find third proportional to 161,925 and 245,146.50
Half scale
Find third proportional to 647,700 and 980,586
Double scale
Find third proportional to 323,852 and 490,296
Similar ratio
Find third proportional to 485,775 and 735,439.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.